Gear drives are the most practical and widespread type of mechanical transmission. These are used to transmit power – from negligibly small values to tens of thousands of kilowatts. Transmissions are used to produce various speeds of rotation of the final shaft while maintaining a constant speed of rotation of the drive motor. Municipal Solid Waste, MSW as it is called, has created serious problems in the last couple of years. Cement industry can offer cost effective solution to the problem of MSW.